49146968078 has 96 divisors (see below), whose sum is σ = 83858810112. Its totient is φ = 21574425600.

The previous prime is 49146968071. The next prime is 49146968083. The reversal of 49146968078 is 87086964194.

It is a self number, because there is not a number n which added to its sum of digits gives 49146968078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49146968071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100095413 + ... + 100095903.

It is an arithmetic number, because the mean of its divisors is an integer number (873529272).

Almost surely, 2^49146968078 is an apocalyptic number.

49146968078 is a deficient number, since it is larger than the sum of its proper divisors (34711842034).

49146968078 is a wasteful number, since it uses less digits than its factorization.

49146968078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730 (or 717 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 49146968078 in words is "forty-nine billion, one hundred forty-six million, nine hundred sixty-eight thousand, seventy-eight".